S72E39: The Water Company’s Murky Business

It looks like England’s most successful water company, Severn Trent, is popular with investors. It has been awarded the Environment Agency’s top rating for five consecutive years, but is the company’s record really as good as it appears? Reporter Joe Crowley investigates how Severn Trent hits environmental targets while dumping large quantities of sewage and asks whether there is more to the company’s finances than meets the eye.